12v 30 amp relay 4 pin
The 4-pin 12V 30 ampere relay has the following characteristics: a rated operating voltage of 12V, suitable for DC circuit systems such as automotive circuits and some small electronic device power control circuits. The current load capacity reaches 30 amperes, which can be applied to devices or circuits that require high current. Composed of a coil and a contact part, the coil has two pins at both ends, which generate electromagnetic force to drive the contact action when powered on.
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Video Presentation on 12v 4-pin Relay
12v 30 amp relay 4 pin Specification drawing
1.The other two pins of the 4-pin contact section of the 30 ampere relay are connected to the control circuit, which may have normally open contacts or both normally open and normally closed contacts. The shell is made of insulating material, which provides protection and facilitates installation and fixation. The working principle is that the coil is energized to generate electromagnetic force, which drives the armature to move the contact. After the power is cut off, the armature returns the contact to its original state under the action of the reset device.
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